Fig. 2
From: Broncho-alveolar inflammation in COVID-19 patients: a correlation with clinical outcome
a and b Electron micrographs showing both a cytopathic cells and still morphologically preserved mononuclear cells and b extensive cytopathy involving all cells. c the SARS-CoV-2–anti-spike antibodies immunoreactive multinucleated cells in the BAL sample of one of the ICU patients, 40x; d flaps of epithelial cells and inflammatory cells immunoreacting with anti-spike antibodies, 10x. PMN = polymorphonuclear leukocyte. Scale bar = 5 μm